生物防治是利用生态系统中各种生物之间相互依存、相互制约的生态学现象和某些生物学特性,以防治危害农业,仓储、建筑物和人群健康的生物措施。 利用生物防治害虫,在我国有悠久的历史。近年来,随着农药污染的加重和昆虫抗药性的增强,尤其是保护环境工作的迫切需要,人类越来越重视生物防治的运用。生物防治的方法很多,主要的方法有以下几种:一是利用天敌防治,这种方法应用的最普遍,因为自然界中的每种害虫都有一种或几 Biological control is a biological measure that takes advantage of the ecological phenomena and certain biological characteristics that interdependence and mutual restraint among various organisms in the ecosystem to prevent and endanger the health of agriculture, storage, buildings and people. The use of biological pest control in our country has a long history. In recent years, with the aggravation of pesticide pollution and the increase of insecticide resistance, especially for the urgent need of environmental protection work, human beings have paid more and more attention to the use of biological control. There are many ways of biological control, the main methods are the following: First, the use of natural enemy control, the most common application of this method, because each of the pests in nature have one or a few